2773540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1801}}^1$

素因数の和:1828

約数の個数: 48

約数和(自身を含む): 7265664

約数和(自身を除く): 4492124

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 1801, 3602, 7204, 9005, 12607, 18010, 19811, 25214, 36020, 39622, 50428, 63035, 79244, 99055, 126070, 138677, 198110, 252140, 277354, 396220, 554708, 693385, 1386770, 2773540]

約数ペア:

[(1, 2773540), (2, 1386770), (4, 693385), (5, 554708), (7, 396220), (10, 277354), (11, 252140), (14, 198110), (20, 138677), (22, 126070), (28, 99055), (35, 79244), (44, 63035), (55, 50428), (70, 39622), (77, 36020), (110, 25214), (140, 19811), (154, 18010), (220, 12607), (308, 9005), (385, 7204), (770, 3602), (1540, 1801)]